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Anonymous
Casting - Foam, Thermoplastic Elastomer, Silicone & other materials 2017-07-31 08:55:15 Post No. 1219546
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Casting - Foam, Thermoplastic Elastomer, Silicone & other materials 2017-07-31 08:55:15 Post No. 1219546
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Casting - Foam, Thermoplastic Elastomer, Silicone & other materials
Anonymous
2017-07-31 08:55:15
Post No. 1219546
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So /diy/ I am curious about casting, specifically with pouring materials.
right now I'm in the mood for casting shoe insoles shaped specifically for my feet. the thing is, platinum cure silicone is fucking expensive, tin cure silicone warps when it shrinks, and I have no clue on what the fuck to do with any other materials, especially when it comes to cost. TPE-related stuff I find is either "business, not hobbyist" or "hobbyist but no material-related info whatsoever". Foam, I have not looked up much on that, other than the pot time is atrociously fast and that it needs a plaster support.
how does /diy/ cast?
>>
thermoplastics and TPE (thermoplastic elastomer) are not the kind of materials you cast exactly , look up thermoset or liquid silicon, check tapp plastic i think its called does a lot of hobby stuff with MSDS and shit
>>
"Platinum-Cure Silicone"
For most of my silicone casting I use cheap off the shelf silicone sealant and paper molds. If you make your molds out of paper taped together or dried paper mache or dried paper pulp, the silicone will dry, then the paper washes off after soaking making a matte finish surface. It works for 1 1/2 inch thick castings, I haven't tried thicker.
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